{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:IIGNQY6I7QDOEAYZG7TRASEV5D","short_pith_number":"pith:IIGNQY6I","canonical_record":{"source":{"id":"hep-th/9912033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-12-04T20:30:49Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"7c930c56b0f0e93f6a903d6a5d8b22543d5bb25ed80c0da59e94c6a6e901c465","abstract_canon_sha256":"eee97c8ce8d332c8ad79f37b2f2eb5d397b4da2d23d51054d843db2889340429"},"schema_version":"1.0"},"canonical_sha256":"420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd","source":{"kind":"arxiv","id":"hep-th/9912033","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9912033","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9912033v1","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9912033","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"IIGNQY6I7QDO","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_16","alias_value":"IIGNQY6I7QDOEAYZ","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_8","alias_value":"IIGNQY6I","created_at":"2026-07-04T16:15:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:IIGNQY6I7QDOEAYZG7TRASEV5D","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/9912033","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"1999-12-04T20:30:49Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"7c930c56b0f0e93f6a903d6a5d8b22543d5bb25ed80c0da59e94c6a6e901c465","abstract_canon_sha256":"eee97c8ce8d332c8ad79f37b2f2eb5d397b4da2d23d51054d843db2889340429"},"schema_version":"1.0"},"canonical_sha256":"420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:15:04.035253Z","signature_b64":"o91Yik1SNeNVnE5C6PUL//qSXpkqFzWe3cHWUnJsy+2DT4EOGFaaGwu5cq7EggLi7TGG4IIx5QZ0z+8oGj7SDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd","last_reissued_at":"2026-07-04T16:15:04.034835Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:15:04.034835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/9912033","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WtzElglt4a0PhLuz92nmNCXb77oqJTia2JZFxu135B+Kg4RaDXVLPkCL46hrempm5HPLrM9v5SsCJJJXCuCRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T04:31:11.601907Z"},"content_sha256":"1e5792c52597c268c5c1c91a7f2f32222084408c22d7559155d14fefd89dd7e5","schema_version":"1.0","event_id":"sha256:1e5792c52597c268c5c1c91a7f2f32222084408c22d7559155d14fefd89dd7e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:IIGNQY6I7QDOEAYZG7TRASEV5D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Coupling of Gravitons to Matter","license":"","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"A. De Freitas, H.L. Wong, Z. Bern","submitted_at":"1999-12-04T20:30:49Z","abstract_excerpt":"Using relationships between open and closed strings, we present a construction of tree-level scattering amplitudes for gravitons minimally coupled to matter in terms of gauge theory partial amplitudes. In particular, we present examples of amplitudes with gravitons coupled to vectors or to a single fermion pair. We also present two examples with massive graviton exchange, as would arise in the presence of large compact dimensions. The gauge charges are represented by flavors of dynamical scalars or fermions. This also leads to an unconventional decomposition of color and kinematics in gauge th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9912033","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-th/9912033/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N2qR8log0CnV9RE3oDRO0P+mnW8A5A2ZvuWJZsS7MfPIAh5vsYPj7UgluRRBNsjRuDMEIXJn3UKJcwq9JM/cCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T04:31:11.602510Z"},"content_sha256":"e23b29e4863c367177d660bc54f1b29286f2f62e02ed86877773ff4e806d6862","schema_version":"1.0","event_id":"sha256:e23b29e4863c367177d660bc54f1b29286f2f62e02ed86877773ff4e806d6862"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/bundle.json","state_url":"https://pith.science/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T04:31:11Z","links":{"resolver":"https://pith.science/pith/IIGNQY6I7QDOEAYZG7TRASEV5D","bundle":"https://pith.science/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/bundle.json","state":"https://pith.science/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IIGNQY6I7QDOEAYZG7TRASEV5D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:IIGNQY6I7QDOEAYZG7TRASEV5D","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"eee97c8ce8d332c8ad79f37b2f2eb5d397b4da2d23d51054d843db2889340429","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"1999-12-04T20:30:49Z","title_canon_sha256":"7c930c56b0f0e93f6a903d6a5d8b22543d5bb25ed80c0da59e94c6a6e901c465"},"schema_version":"1.0","source":{"id":"hep-th/9912033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9912033","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9912033v1","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9912033","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"IIGNQY6I7QDO","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_16","alias_value":"IIGNQY6I7QDOEAYZ","created_at":"2026-07-04T16:15:04Z"},{"alias_kind":"pith_short_8","alias_value":"IIGNQY6I","created_at":"2026-07-04T16:15:04Z"}],"graph_snapshots":[{"event_id":"sha256:e23b29e4863c367177d660bc54f1b29286f2f62e02ed86877773ff4e806d6862","target":"graph","created_at":"2026-07-04T16:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-th/9912033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using relationships between open and closed strings, we present a construction of tree-level scattering amplitudes for gravitons minimally coupled to matter in terms of gauge theory partial amplitudes. In particular, we present examples of amplitudes with gravitons coupled to vectors or to a single fermion pair. We also present two examples with massive graviton exchange, as would arise in the presence of large compact dimensions. The gauge charges are represented by flavors of dynamical scalars or fermions. This also leads to an unconventional decomposition of color and kinematics in gauge th","authors_text":"A. De Freitas, H.L. Wong, Z. Bern","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1999-12-04T20:30:49Z","title":"On the Coupling of Gravitons to Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9912033","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1e5792c52597c268c5c1c91a7f2f32222084408c22d7559155d14fefd89dd7e5","target":"record","created_at":"2026-07-04T16:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"eee97c8ce8d332c8ad79f37b2f2eb5d397b4da2d23d51054d843db2889340429","cross_cats_sorted":["gr-qc","hep-ph"],"license":"","primary_cat":"hep-th","submitted_at":"1999-12-04T20:30:49Z","title_canon_sha256":"7c930c56b0f0e93f6a903d6a5d8b22543d5bb25ed80c0da59e94c6a6e901c465"},"schema_version":"1.0","source":{"id":"hep-th/9912033","kind":"arxiv","version":1}},"canonical_sha256":"420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"420cd863c8fc06e2031937e7104895e8e4ddde551d8f38584af08f1e8ac6dffd","first_computed_at":"2026-07-04T16:15:04.034835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:15:04.034835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o91Yik1SNeNVnE5C6PUL//qSXpkqFzWe3cHWUnJsy+2DT4EOGFaaGwu5cq7EggLi7TGG4IIx5QZ0z+8oGj7SDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:15:04.035253Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9912033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e5792c52597c268c5c1c91a7f2f32222084408c22d7559155d14fefd89dd7e5","sha256:e23b29e4863c367177d660bc54f1b29286f2f62e02ed86877773ff4e806d6862"],"state_sha256":"663cc4f4f5ece256e0c62ff510a5e245d65b19cd5c4d86d91d47f8f80d64d687"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kfK/k3esU+GQ5wOhHJSaLkK0WxueQ/JntnlG2vR9h4TQXeu3XhUhq3GCj4uQUMGhnBIg9RAZcHNhjw6f4g8VBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T04:31:11.607953Z","bundle_sha256":"2b6be3e3a261fa9d5b3209699f2618aae9afc084c9fbcaf7cc8c5413ca7070e3"}}